A Mac App Store freebie and more

Oli Larkin pMix

An interesting VST plug-in chainer (pMix is a host) that enables you to morph between presets on a graphical interface. Each preset is represented by a coloured ball, and morphing can lead to the creation of new, hybrid sounds. You can use up to four plug-ins at a time and a selection comes included.

Toscanalyser

Designed to help you mix and master better, Toscanlyser's job is to compare - audibly and visually - your tracks to commercial recordings. There's a range of analysis options on offer, and at the end of the process you're given a detailed report that you can act on to resolve problems.

JME-Audio Chip Rhythm

A programmable drum machine that gives you kick, snare, clap, hi-hat and tom sounds. Each of these has its own Volume, Filter and Tone sections, and you can program patterns of up to eight steps in length.

Voxengo AnSpec

Another freebie from the generous chaps at Voxengo - this one is an analogue-style third-octave spectrum analyser. It's basically a visual tool that gives you graphical feedback (including peak level indication). There are no adjustable parameters, though you can change the level meter ballistics and resize the plug-in's window.